Chocolate Chip Cookie Cake

Ingredients

• 1⅔ cup all-purpose flour
• ½ teaspoon baking powder
• ½ teaspoon baking soda
• 1 cup packed brown sugar
• ¼ cup granulated sugar
• ¾ teaspoon kosher salt
• 1 stick Challenge Butter, melted
• 1 large egg
• 1 Tablespoon vanilla extract
• 1 cup bittersweet chocolate chips
• 1 cup (2 sticks) Challenge Butter, cubed and softened
• 4 cups powdered sugar, sifted
• 1 teaspoon vanilla extract
• 1 teaspoon boiling water
• 1-2 teaspoons heavy cream, as needed
• green food coloring
• pearl sprinkles, for decorating